CN103097932A - Optical coupling device, opticalsystem and methods of assembly - Google Patents
Optical coupling device, opticalsystem and methods of assembly Download PDFInfo
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- CN103097932A CN103097932A CN2011800441441A CN201180044144A CN103097932A CN 103097932 A CN103097932 A CN 103097932A CN 2011800441441 A CN2011800441441 A CN 2011800441441A CN 201180044144 A CN201180044144 A CN 201180044144A CN 103097932 A CN103097932 A CN 103097932A
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- Prior art keywords
- optical
- fixed part
- coupled equipment
- circuit board
- interface
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/262—Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4214—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/4236—Fixing or mounting methods of the aligned elements
- G02B6/4239—Adhesive bonding; Encapsulation with polymer material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/02—Containers; Seals
- H01L23/10—Containers; Seals characterised by the material or arrangement of seals between parts, e.g. between cap and base of the container or between leads and walls of the container
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/161—Cap
- H01L2924/163—Connection portion, e.g. seal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
Abstract
An optical coupling device comprises: a Z-reference part co-operating with a Z- reference of a first optical device, to define the location of a first optical interface of the coupling device along a direction (Z), fixation parts (17, 19), extending at different heights along this direction, adapted to be glued to the first optical device.
Description
Technical field
The present invention relates to optical coupled equipment, optical system and assemble method.
Background technology
Most communication systems comprise many system cards.This cartoon often is fabricated to so-called printed circuit board (PCB) (PCB).Because ever-increasing demand aspect data rate for example due to the internet, has reached the limit of using telecommunication.Guarantee to become difficult through the good signal stability of electric wire.
In order to respond this bandwidth demand, High Speed System is fabricated out now, and wherein optical layers (optical fiber or slab guide) is introduced into the replacement conducting metal.Really, light is without undergoing the restriction identical with electricity.
Optical coupled equipment is generally used for PCB, or so-called optical circuit board (OCB), optical layers interconnect with outside optical device.Pass the high efficiency of transmission of optical coupled equipment in order to ensure light, described optical coupled equipment is vertically necessary with respect to point-device location of circuit board.For this reason, Coupling device can have the Z-direction reference part, and its pinpoint Z-direction benchmark with respect to circuit board is placed.Then, the fixed part of optical coupled equipment is glued to the fixed surface of optical circuit board.
Yet, between a plurality of optical circuit boards, about the position of fixed surface with respect to the Z-direction benchmark, may have large deviation.This be because, optical circuit board comprises that part of fixed surface does not adopt accurate technique to make as Z-direction benchmark self, this is mainly in order to reduce the cost of optical circuit board.In order to process this problem, scheme can be, systematically uses the amount corresponding to the worst glue that may situation, described the worst may situation be namely that fixed surface is maximum to the distance of the fixed part of optical coupled equipment.
In the case, correct fixing will formation under this worst case.Yet to the so not large better situation of the distance of optical coupled equipment fixed part, unnecessary glue may spread at fixed surface.This is a problem, because glue can be spread to for the zone of admitting miscellaneous equipment such as connector shell, therefore causes misconnection.Glue even can spread and reach the zone that optical signalling transmits between the optical path of optical circuit board and optical coupled equipment.In this case, whole plate may be with unavailable.
Therefore, need to improve this optical coupled equipment fixing to optical circuit board take sacrifice optical signal transmission efficient as cost.
Summary of the invention
A kind of optical coupled equipment is provided, is used for optical communication system.Optical coupled equipment comprises the optical path that extends between the first optical interface and the second optical interface.The second optical interface will be optically coupled to the second optical device.The first optical interface will be optically coupled to the first optical device.Described the first optical device has the Z-direction benchmark.
Optical coupled equipment comprises the Z-direction reference part in addition.It cooperates with the Z-direction benchmark of the first optical device, to limit the first optical interface along the position of certain direction with respect to described Z-direction benchmark.
Optical coupled equipment has the first fixed part, and it is highly extending along first of described direction.
Optical coupled equipment has the second fixed part, and it is highly extending along second of described direction.The second height is greater than described the first height.
The first or second fixed part will be glued to the first optical device.
By these features, for for any optical circuit board in fixed surface height deviation scope, guaranteed correct fixing with minimum glue.
In some embodiments, people can also adopt restriction one or more features in the claims.
Description of drawings
Other characteristics of the present invention and advantage will easily show from following description for an one embodiment and accompanying drawing, and described embodiment provides as non-limiting example.
In the drawings:
-Fig. 1 is the sectional perspective vertical view of optical system,
-Fig. 2 is the stereographic map of the bottom surface of optical coupled equipment,
-Fig. 3 is the partial sectional view along the line III-III of Fig. 1 for first circuit board,
-Fig. 4 is the view that is similar to Fig. 3 for second circuit board,
-Fig. 5 is the vertical view of Fig. 1 system, and
-Fig. 6 is the process flow diagram of packaging technology.
In different figure, the identical same or similar element of reference marker indication.
Embodiment
Fig. 1 shows partly and mixes or optics PCB 1 completely, backboard for example, and it is to comprise a plurality of layers stacked.Especially, described stacked 1 comprises copper layer 101, the preimpregnation bed of material 102, optical layers 103 and other copper layer 104 and the preimpregnation bed of material 105 from top to bottom.Optical layers 103 self comprise the first top cover shell 106, cover on the first top second below shell 106 transmit optical layers 107 and transmit the 3rd end below optical layers 107 second cover shell 108(and see Fig. 3).
Term " top ", " end ", " on ", D score or and so on reference orientation Z provide, described direction Z is orthogonal to the top surface la of PCB, and points to the optical device 4 of the coupling that will be optically coupled to PCB.The top surface of PCB is parallel to X-Y plane and extends, and wherein X and Y are artificial the restrictions.For example, X is corresponding to the optical propagation direction in layer 107, and Y is corresponding to the direction transverse to this direction of propagation.
Stacked 1 optical layers 107 is made by a plurality of pipes 2, and described pipe is integrally formed or be embedded in body 3, and described body has the refractive indexes lower than pipe 2.Therefore, pipe 2 and body 3 consist of respectively the core of waveguide and cover shell.The waveguide that embeds can be polymer waveguide, glass sheet waveguides or the waveguide that obtains by embedding optical fiber technology, or and so on.
A part that it should be understood that PCB is removed from Fig. 1 with convenient expression, and in fact what be shown as face lc be not face, but the inside of PCB1.
As shown in Figure 1, otch 27 is formed in PCB1.Especially, otch 27 is configured as and has this very simple form of positive parallelepipedon.Otch is limited by straight wall.Otch can also have flat bottom 27b, as shown in the figure.
Pipe 2 wall at place when incision stops defines the optical interface of PCB.That is, all cores 2 stop limiting optical interface 9(Fig. 3 of PCB at otch 27 places).Described optical interface 9 comprises the discrete light delivery areas that is arranged to array.As required, can yes or no along the delivery areas interval of direction Y constant.For example, in this figure, the interval between contiguous delivery areas is configured to be constant at 250 μ m.
Be transferred to the optical device 4 of coupling or be provided to stacked 1 core 2 or provided from described stacked core through the first optical path 6 from the optical signalling that the optical device of this coupling transfers out, described optical device is such as being optical device or optoelectronic device or other PCB, and described core 2 provides the second optical path 7 that is used for optical signalling that is parallel to X-Y plane.In the present embodiment, optical device 4 for example can comprise mechanical switch cutting ferrule (" MT cutting ferrule "), and it comprises high-precision cover 21, and the end of optical fiber 22 extends in the relative position of accurate restriction in described cover.Therefore the optical device 4 of coupling has optical interface 10, and it is defined as pointing to one group of optical fiber connector of PCB.In this figure, described interface is parallel to X-Y plane and extends.
The optical interface 10 of the connector of coupling has the quantity delivery areas identical with the optical interface 9 of PCB.Each delivery areas of the optical interface 10 of the optical device of coupling is corresponding to the corresponding delivery areas of the optical interface 9 of PCB.This means, delivery areas is associated in twos, and passes the delivery areas at one of them interface and the light that leaves orthogonally will be passed to the wherein corresponding delivery areas at another interface.
Printed circuit board (PCB) 1 comprises the Z-direction benchmark in addition.The Z-direction benchmark is the part of printed circuit board (PCB), and described Z-direction benchmark is accurately known with respect to optical interface 9 along the position of Z direction.For example, described Z-direction benchmark covers the bottom (the top 23(corresponding to the following copper layer 104 that overlaps with it sees Fig. 3 in other words) of shell the end of corresponding to).Yet other position is also possible, and for example the top of shell is covered on the top.
In order to obtain the best optical coupled between the first and second optical paths, optical coupled equipment 8 is provided for the aligning purpose, described the first and second optical paths for the optical system here perpendicular to each other.In the present embodiment, optical coupled equipment 8 is configured to single modular parts, although unnecessary be like this always.
Optical coupled equipment 8 comprises second 11b, and it extends generally perpendicular to first surface in this case, namely is parallel to X-Y plane and extends.Described the second face limits the second optical interface 26, and described the second optical interface will be placed in the optical interface optical coupled with the optical device 4 that mates.The second optical interface 26 have delivery areas 13 ', it is relative with the corresponding delivery areas at interface of the optical device 4 of coupling that described delivery areas will be placed with (sometimes passing translucent couplant, such as air or suitable glue).Therefore, the layout of the second optical interface 26 directly draws from the layout of optical interface of the optical device 4 of coupling, will no longer describe in detail here.
Optical path is limited between first and second interfaces 25,26 of Coupling device 8.That is, will pass Coupling device 8 as the light beam of substantially parallelization and be transmitted to second contact surface 26 from the interface, the diverging light enter Coupling device 8 at its first interface 25 of printed circuit board (PCB) 1, and will be focused onto in the interface of optical device 4 of coupling.Light is propagated in a similar manner in opposite direction.
Especially, each delivery areas at each interface of Coupling device 8 can be equipped with beam-shaping structure 15,15 ', such as lens.Lens 15 make the going to of core 2/from the optical coupled optimization of the optical signalling of Coupling device 8.The going to of lens 15 ' make cutting ferrule 4/from the optical coupled optimization of the optical signalling of Coupling device 8.
Due to lens 15 and 15 ' respectively in the porch of each core 2 with at the porch of each optical fiber 22 focusing optical signal, do not have lensed optical coupling system so compare, Coupling device 8, cutting ferrule 4 and stacked 1 manufacturing tolerance increase.
As shown in this embodiment, lens 15,15 ' can form the integral part of Coupling device 8.Described lens position first and second at the interface.For example, described lens can be Fresnel type or aspheric surface type.Be understandable that, for each interface, all lens at this interface all can be set to identical.
Fig. 2 illustrates in greater detail the bottom surface of Coupling device 8.Coupling device 8 is configured to thin plate, and it has first (end) face 11a and opposite parallel second (top) face 11b(Fig. 1).Body 16 preferably with center on Page from the downward projection of bottom surface 11a.Described body carries optical interface 25 and light is deflected to the mirror 18 of Z direction from directions X.
In addition, optical coupled equipment 8 is provided with Z-direction reference part 12.These Z-direction reference parts 12 are parts of optical coupled equipment 8, and described Z-direction reference part is accurately known with respect to the first optical interface 25 along the position of direction Z.This precision of locating along the Z direction can obtain in the process of making Coupling device by for example micro shaping technique.Described part is for example the surface that is parallel to X-Y surface extension.For example, three described parts can be set to three foots 14 stretching out from face 11a.Described foot can be arranged to not point-blank, and length is identical, thereby makes three Z-direction reference parts 12 accurately limit the plane.
Optical coupled equipment 8 comprises fixed part in addition.Described fixed part is used for optical coupled equipment 8 is fixed to printed circuit board (PCB) 1.Fixed part for example is arranged on the peripheral region of optical coupled equipment 8.For example, the first fixed part is circumferential ridge 17, and described circumferential ridge is extended continuously around the whole periphery of equipment.In addition, the second fixed part is configured to the second circumferential ridge 19, and described the second circumferential ridge is extended continuously around the whole periphery of equipment.The second circumferential ridge is also around the first circumferential ridge 17.Therefore, the second circumferential ridge 19 is outer fixed parts, and the first circumferential ridge 17 is interior fixed parts.Therefore, the first circumferential ridge 17 is between the second circumferential ridge 19 and body 16.
Fixed part 17, the 19 face 11a from optical coupled equipment stretch out.
As shown in Figure 3, optical coupled equipment will be placed on otch 27 tops of printed circuit board (PCB) 1, thereby make Z-direction reference part 12 to cooperate with the Z-direction benchmark of printed circuit board (PCB), in order to accurately limit optical coupled equipment 8 along the position of Z axis with respect to printed circuit board (PCB) Z-direction benchmark.For example, simply Z-direction reference part 12 is shelved on the Z-direction benchmark 23 of printed circuit board (PCB) 1.Yet, exist other method accurately to limit optical coupled equipment 8 along the position of Z direction with respect to the Z-direction benchmark of printed circuit board (PCB).
In theory, in this position, optical coupled equipment and printed circuit board (PCB) are so relative to each other located along direction Z, and the interface 9(that makes printed circuit board (PCB) leaves from Fig. 3 plane) and this figure of optical interface 25(of optical coupled equipment in invisible) between produce efficient optical coupled.This be due to:
The interface 9 of-circuit board realized by circuit board structure and the accurate known relative positioning along direction Z of Z-direction benchmark 23,
-Z-direction the benchmark 23 of realizing by cooperation and the accurate known relative positioning along direction Z of the Z-direction reference part 12 of optical coupled equipment 8, and
-by the Z-direction reference part 12 of Coupling device constitution realization and the accurate known relative positioning along direction Z of optical interface 25.
If necessary, come carefully with respect to circuit board, Coupling device to be placed in X-Y plane with X-Y standard apparatus (not shown).
The Z-direction benchmark 23 of printed circuit board (PCB) defines the initial point O of Z axis.As mentioned above, Z axis is oriented at the principal plane that leaves circuit board on the direction of the optical device 4 of coupling.This is the direction that light left/entered circuit board.In this case, the height of the Z-direction reference part of optical coupled equipment is 0.
The fixed surface 20 of printed circuit board (PCB) is used to cooperate with the fixed part 17,18 of optical coupled equipment 8 optical coupled equipment 8 is fixed to circuit board 1.For example, fixed surface 20 for example, or is the end face of copper layer 101 corresponding to the palp end face la of printed circuit board (PCB), if or copper layer 101 is removed in this zone is the end face of the preimpregnation bed of material 102.Fixed surface is in the height Z that records from initial point O along the Z direction
fsHeight Z
fsIt is the stacked known nominal altitude according to circuit board 1.Yet, due to the unavoidable deviation relevant with the OCB manufacturing process, so from a printed circuit board (PCB) to another printed circuit board (PCB), the true altitude of fixed surface will be at Z
fs– Z
d(Fig. 3) and Z
fs+ Z
dChange (Fig. 4).
When optical coupled equipment 8 was placed on printed circuit board (PCB), interior fixed part 17 was at the height Z of distance initial point O
iExtend.Outer fixed part is at height Z
oExtend.These are highly the height of corresponding fixed part 17,18 the basal surface relative with fixed surface 20.Z
iAnd Z
oBoth all strictly greater than Z
fs+ Z
d, so that Z-direction reference part 12 can be shelved on the Z-direction benchmark 23 of circuit board.
In addition, height Z
iAnd Z
oDiffer from one another.In the present embodiment, they differ 50 microns at least, and however, this difference will depend on the precision of circuit board manufacturing process, be Z
dValue.Z
iAnd Z
oCan differ approximately Z
d
Especially, first (interior) fixed part 17 to the second (outward) fixed part, 19 more close fixed surfaces 20.In other words, height Z
oGreater than height Z
i
Fig. 3 represents the scene of worst case.That is, in Fig. 3, fixed part is as far as possible away from fixed surface 20.No matter how many true altitudes of fixed surface is for the circuit board of reality, always glue 28 volumes that are used for optical coupled equipment 8 is fixed to optical circuit board are based on the geometric condition of Fig. 3 and pre-determined.In case optical coupled equipment is positioned, so, for example use syringe along arrow 29, glue is flowed into from the periphery of Coupling device.The basal surface that glue 28 will be flowing in the first fixed part 17 with it directly between the fixed surface 20 of relative circuit board.Fixing occurring between these two surfaces.
Fig. 4 has represented that fixed surface 20 is in height Z
fs+ Z
dOn scene.Most printed circuit board (PCB)s will be between the situation of Fig. 3 and Fig. 4.Height Z
iBe selected as being in close proximity to Z
fs+ Z
dEspecially, Z
iBe selected as so near Z
fs+ Z
d, make glue be inhibited in to be defined in the free space between the surface 20 of the first fixed part 17 and circuit board and flow.Therefore the first fixed part 17 has served as the barrier of glue.This effect can be in the situation that have any contact to provide between the surface that does not need fixed part 17 and fixed surface 20, because the contact between them will hinder any suitable Z-direction location of optical system.Difference in height Z
i-(Z
fs+ Z
d) can be based on the characteristic (such as its thixotropic property) of glue itself and form.Therefore free space between the surface 20 of the first fixed part 17 and circuit board will serve as the capillary of glue and capture section (capillary trap).
As being also shown in Fig. 4, in this scene, fixed part 17 roles in outer fixed part 19 will be taken in the example of Fig. 3.Mainly diffusion between the fixed surface 20 of fixed part 19 and printed circuit board (PCB) outside of glue.The volume of the glue that uses equals Fig. 3's.
If necessary, Coupling device can be provided with the tank 30 that is positioned between the first and second fixed parts.In the present embodiment, wherein the first and second fixed parts are the circumferential ridge of extending along the Coupling device periphery fully, and 30 of tanks can be set to same groove (see figure 1) of extending along the Coupling device periphery fully.In this scene, tank 30 is flowing in unnecessary glue between Coupling device and circuit board with absorption.Therefore, glue will be prevented to external reflux.Therefore space 31 around optical coupled equipment 8 will there is no glue, and can admit connector shell or any equipment that other is fit to, if necessary.
Turn to now Fig. 5 and Fig. 6, will schematically describe assemble method.In step 51, optical coupled equipment 8 will be assembled to printed circuit board (PCB) 1 in advance.For example, described optical coupled equipment will be gluedd joint in place by using several (3-4) the individual glue point 32 that is arranged in advance on circuit board or Coupling device.Then, in step 52, the test of the precision of location is implemented.This test case is initiatively step in this way, by this step, known light 33 is delivered in one or more optical cores of circuit board 1, and surveys output light at second contact surface 26 places of Coupling device 8 by being fit to arbitrarily mode.In step 52, determine the light that detects compare with the light of expecting whether suitable.The test of other types is possible.If the result of described test is (the arrow N in Fig. 6) that negates, Coupling device 8 can be removed in step 53 so, and possible is to replace this Coupling device with another Coupling device, or attempt to place it in better position with respect to printed circuit board (PCB).On automatic Picking and place machine, some maintenances may need.Therefore, optical circuit board does not need to be dropped because of this incorrect link.After the process reform that is fit to, assemble method is back to step 51.
If the result of described test is sure (the arrow Y in Fig. 6), Coupling device to being permanently affixed in step 54 of circuit board is implemented so.Especially, for example according to the motion shown in arrow in Fig. 5 34, the periphery around pre-aligned Coupling device applies the glue of predetermined continuously with syringe fully.Therefore, glue can be as the seal that prevents material intrusion otch 27.
Therefore, can provide one group of optical system, it has fixing reliably, and wherein optical coupled equipment is identical, and wherein the height of fixed surface can be at Z
fs-Z
dWith Z
fs+ Z
dBetween change.
Although the present invention presents in the mode of the optical coupled equipment 8 at right angle, the present invention can be applied to the optical coupled equipment of other type, and it for example has along the optical coupled equipment of the straight optical path of direction Z.
Claims (20)
1. optical coupled equipment that is used for optical communication system, described optical coupled equipment comprises:
-at least one optical path, it extends between the first optical interface (25) and the second optical interface (26), described the first optical interface will be optically coupled to the first optical device with Z-direction benchmark, and described the second optical interface will be optically coupled to the second optical device
-Z-direction reference part (12), it is configured to cooperate with the Z-direction benchmark of described the first optical device, limiting described the first optical interface along the position of direction (Z) with respect to described Z-direction benchmark,
-at least one first fixed part (17), it is highly extending along first of described direction, and is configured to be glued to described the first optical device,
-at least one second fixed part (19), it is highly extending along second of described direction, and is configured to be glued to described the first optical device,
Wherein, described the second height is greater than described the first height.
2. optical coupled equipment according to claim 1, wherein, described the first fixed part (17) is positioned between described the second fixed part (19) and described optical path.
3. optical coupled equipment according to claim 1 and 2, also be included in the tank (30) between described the first fixed part and described the second fixed part.
4. the described optical coupled equipment of any one according to claim 1 to 3, wherein, described the first fixed part (17) comprises fully the circumferential ridge of extending along the periphery of described optical coupled equipment.
5. the described optical coupled equipment of any one according to claim 1 to 4, wherein, described the second fixed part (19) comprises fully the circumferential ridge of extending along the periphery of described optical coupled equipment.
6. according to claim 3,4 and 5 described optical coupled equipment, wherein, described tank (30) comprises fully the circumferential grooves of extending along the periphery of described optical coupled equipment.
7. optical coupled equipment that is used for optical communication system, described optical coupled equipment comprises:
-at least one optical path, it extends between the first optical interface (25) and the second optical interface (26), described the first optical interface will be optically coupled to the first optical device with Z-direction benchmark, and described the second optical interface will be optically coupled to the second optical device
-Z-direction reference part (12), it is configured to cooperate with the described Z-direction benchmark of described the first optical device, limiting described the first optical interface along the position of direction (Z) with respect to described Z-direction benchmark,
-at least one first fixed part (17), it comprises complete circumferential ridge of extending along the periphery of described optical coupled equipment, and is configured to be glued to the first optical device,
-at least one second fixed part (19), it comprises complete circumferential ridge of extending along the periphery of described optical coupled equipment, is positioned at outside described the first fixed part (17), and is configured to be glued to the first optical device.
8. optical coupled equipment according to claim 7, also be included in complete circumferential grooves (30) of extending along the periphery of described optical coupled equipment between described the first fixed part and described the second fixed part.
9. according to claim 7 or 8 described optical coupled equipment, wherein, described the first fixed part (17) is highly extending along first of described direction,
Wherein, described the second fixed part (19) is highly extending along second of described direction,
Wherein, described the second height is greater than described the first height.
10. optical coupled equipment that is used for optical communication system, described optical coupled equipment comprises:
-at least one optical path, it extends between the first optical interface (25) and the second optical interface (26), described the first optical interface will be optically coupled to the first optical device with Z-direction benchmark, and described the second optical interface will be optically coupled to the second optical device
-Z-direction reference part (12), it is configured to cooperate with the Z-direction benchmark of described the first optical device, limiting described the first optical interface along the position of direction (Z) with respect to described Z-direction benchmark,
-at least one first fixed part (17), it is included in the first highly complete circumferential ridge of extending along the periphery of described optical coupled equipment along described direction, and is configured to be glued to the first optical device,
-at least one second fixed part (19), it is included in the second highly complete circumferential ridge of extending along the whole periphery of described optical coupled equipment along described direction, be positioned at outside described the first fixed part (17), and be configured to be glued to the first optical device
-circumferential grooves (30), its complete periphery along described optical coupled equipment between described the first fixed part and described the second fixed part extends,
Wherein, described the second height is greater than described the first height.
11. the described optical coupled equipment of any one according to claim 1 to 10, comprise plate (35), described plate has opposite first surface (11a) and second (11b) that is orthogonal to described direction (Z), wherein, described optical path stretches out from described first surface (11a) at least in part, wherein, described Z-direction reference part (12), described the first fixed part and described the second fixed part (17; 19) stretch out from described first surface (11a).
12. an optical system comprises the described optical coupled equipment of any one (8) according to claim 1 to 11, and comprises optical circuit board (1), described optical circuit board has:
-Z-direction benchmark (23), it is configured to cooperate with the Z-direction reference part (12) of described optical coupled equipment,
-optical interface (9), it is optically coupled the first optical interface (25) to described optical coupled equipment,
-fixed surface (20), it is glued to described the first fixed part and described second fixed part (17 of described optical coupled equipment; 19) at least one of them.
13. optical system according to claim 12, wherein, distance between the fixed surface (20) of described the first fixed part (17) and described optical circuit board is included between 20 microns and 50 microns, wherein, mainly diffusion between the fixed surface (20) of described the second fixed part (19) and described optical circuit board of glue (28).
14. optical system according to claim 12, wherein, distance between the fixed surface (20) of described the first fixed part (17) and described optical circuit board is included between 50 microns and 150 microns, wherein, mainly diffusion between the fixed surface (20) of described the first fixed part (17) and described optical circuit board of glue (28).
15. according to claim 12 to the described optical system of any one in 14, comprise thixotrope.
16. according to claim 12 to the described optical system of any one in 15, wherein, glue is provided by the periphery along described optical coupled equipment fully.
17. one group of optical system comprises:
-at least one is according to claim 12 to described the first optical system of any one in 16, and wherein, the fixed surface of described optical circuit board (20) extends in the first distance (Z of the Z-direction benchmark along described direction apart from described optical circuit board
fs-Z
d) locate,
-at least one is according to claim 12 to described the second optical system of any one in 16, and wherein, the fixed surface of described optical circuit board (20) extends in the second distance (Z of the Z-direction benchmark along described direction apart from described optical circuit board
fs+ Z
d) locate,
Wherein, described second distance is greater than described the first distance,
Wherein, the optical coupled equipment of the optical coupled equipment of described the first optical system and described the second optical system is identical.
18. a method of assembling optical system comprises:
A) provide optical circuit board (1), it has Z-direction benchmark (23), optical interface (9) and fixed surface (20),
B) provide optical coupled equipment (8), it comprises:
At least one optical path, it extends between the first optical interface (25) and the second optical interface (26), and described the second optical interface will be optically coupled to the second optical device,
Z-direction reference part (12), it is configured to cooperate with the Z-direction benchmark (23) of described optical circuit board, limiting described the first optical interface along the position of direction with respect to described Z-direction benchmark,
At least one first fixed part (17), it is highly extending along first of described direction,
At least one second fixed part (19), it is highly extending along second of described direction, and wherein, described second highly greater than described the first height,
C) one of them of described the first fixed part and described the second fixed part is glued to described optical circuit board, wherein said Z-direction benchmark and described Z-direction reference part cooperate each other, so that the optical interface of described optical circuit board is optically coupled the first optical interface to described optical coupled equipment.
19. assemble method according to claim 18, wherein, c) splicing comprises:
Cl) described optical coupled equipment is gluedd joint (51) relevant position on described optical circuit board in advance,
C2) test result of the precision of (52) described position is provided, and
C3) if result is sure, optical coupled equipment is forever gluedd joint (54) described relevant position on described optical circuit board.
20. according to claim 18 or 19 described methods, wherein, c) splicing comprises complete periphery continuous dispensing glue along described optical coupled equipment.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IB2010002792 | 2010-09-14 | ||
| IBPCT/IB2010/002792 | 2010-09-14 | ||
| PCT/IB2011/002455 WO2012035428A1 (en) | 2010-09-14 | 2011-09-05 | Optical coupling device, opticalsystem and methods of assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103097932A true CN103097932A (en) | 2013-05-08 |
| CN103097932B CN103097932B (en) | 2015-04-15 |
Family
ID=44936314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180044144.1A Expired - Fee Related CN103097932B (en) | 2010-09-14 | 2011-09-05 | Optical coupling device, opticalsystem and methods of assembly |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20130272647A1 (en) |
| EP (1) | EP2616859A1 (en) |
| CN (1) | CN103097932B (en) |
| SG (1) | SG188418A1 (en) |
| WO (1) | WO2012035428A1 (en) |
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Also Published As
| Publication number | Publication date |
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| CN103097932B (en) | 2015-04-15 |
| SG188418A1 (en) | 2013-04-30 |
| EP2616859A1 (en) | 2013-07-24 |
| US20130272647A1 (en) | 2013-10-17 |
| WO2012035428A1 (en) | 2012-03-22 |
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